Hello, I have been trying to add a drawbar to the van cargobox. I've downloaded a mod a long time ago and it has an option for the cargobox called "towhitch receiver" for it, the problem is I have had a few trailer files with containers with it, and I just need help attaching it to the towhitch receiver file I'm not good at jbeam-ing, so I have separate trailer files including the drawbar, and the cargo box file and towhitch receiver file too. The trailer parts, and cargobox and towhitch receiver are all part of a mod I am planning to make. These are the file names:
